Is there a picture we can look at ?
Well, I am not exactly sure if this is what your asking but one foot is twelve times the size of a foot.
X-5+5x-12=25
x+5x=25+5+12
6x=42
x=42/6
x=7
Answer: $42.60
Step-by-step explanation:
Original price: p
Discount: 30%
Sale price: 29.82
p x 0.7 = 29.82
p = 29.82/0.7 = 42.60